would absolutely not have taken a zip line in the jungle. i'm really glad that girl stayed at home. vo: expedia helps 30 million travelers a month find what they're looking for. one traveler at a time. expedia. find yours. welcome back. in china and england families are being told they can't buy all the baby formula they might want to buy. >> it's actually because the supermarkets are now rationing this out. isa suarez explains why this is happening. >> reporter: restrictions in australia, curbs in hong kong, and now rationing in the uk. feeding your baby has just gotten even more stressful. here milk formula powder is being rationed at leading supermarkets because of surging demand in china.